How To Fix /IWBEP/CM_V4S_RUN022 - Expand for navigation '&1': navigation key not processed

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWBEP/CM_V4S_RUN -

• Message number: 022

• Message text: Expand for navigation '&1': navigation key not processed

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IWBEP/CM_V4S_RUN022 - Expand for navigation '&1': navigation key not processed ?

  The SAP error message /IWBEP/CM_V4S_RUN022 typically occurs in the context of SAP Gateway and OData services when there is an issue with the navigation key in a request. This error indicates that the navigation key specified in the request could not be processed, which can happen for several reasons.
  Causes:
  
  Incorrect Navigation Key: The navigation key provided in the request may not match any existing entity or relationship in the data model.
  Missing Associations: The associations between entities may not be properly defined in the OData service, leading to navigation issues.
  Service Metadata Issues: The metadata of the OData service may not be correctly defined or may be out of sync with the underlying data model.
  Authorization Issues: The user may not have the necessary authorizations to access the related entity.
  Data Model Changes: Changes in the underlying data model (like changes in relationships or entity types) that are not reflected in the OData service.
  
  Solutions:
  
  Check Navigation Key: Verify that the navigation key in the request is correct and corresponds to an existing entity.
  Review Associations: Ensure that the associations between entities are correctly defined in the OData service. You can check this in the service's metadata.
  Regenerate Service: If there have been changes to the underlying data model, regenerate the OData service to ensure that the metadata is up to date.
  Check Authorizations: Ensure that the user making the request has the necessary authorizations to access the related entity.
  Debugging: Use transaction codes like /IWFND/ERROR_LOG to check for any additional error messages that may provide more context on the issue.
  Test with Different Tools: Use tools like Postman or SAP Gateway Client (transaction /IWFND/GW_CLIENT) to test the OData service and see if the issue persists.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  OData Documentation: Review the OData documentation for best practices on defining navigation properties and associations.
  SAP Community: Engage with the SAP Community forums to see if others have encountered similar issues and what solutions they found effective.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.